066  
CDUS43 KLOT 202139  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT FRI APR 20 2018  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 20 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 61 241 PM 89 1987 63 -2 66  
MINIMUM 24R 533 AM 25 1956 40 -16 49  
AVERAGE 43 51 -8 58  
 
PRECIPITATION (IN)  
TODAY 0.00 2.46 1929 0.11 -0.11 T  
MONTH TO DATE 1.10 2.22 -1.12 4.11  
SINCE MAR 1 2.32 4.54 -2.22 6.90  
SINCE JAN 1 7.27 7.32 -0.05 10.93  
 
SNOWFALL (IN)  
TODAY 0.0 T 1959 0.0 0.0 0.0  
MONTH TO DATE 4.1 0.8 3.3 T  
SINCE MAR 1 6.5 5.6 0.9 5.1  
SINCE JUL 1 34.8 36.6 -1.8 22.1  
 
DEGREE DAYS  
HEATING  
TODAY 22 14 8 7  
MONTH TO DATE 598 354 244 224  
SINCE MAR 1 1489 1216 273 1026  
SINCE JUL 1 6430 6218 212 5100  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 7  
SINCE MAR 1 0 0 0 7  
SINCE JAN 1 0 0 0 7    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 1.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 300 AM  
LOWEST 21 100 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 86 1985  
MINIMUM TEMPERATURE (F) 40 24 1988  
 
 
SUNRISE AND SUNSET  
APRIL 20 2018.........SUNRISE 608 AM CDT SUNSET 743 PM CDT  
APRIL 21 2018.........SUNRISE 606 AM CDT SUNSET 745 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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